局用配线电缆HJVV工艺标准 局用配... MHYV|天津市电缆总厂第一分厂

p1Src=//y2.yzimgs.com/uploads/175499/201647-1485497.jpg?watermark/2/text/TUhZVnzlpKnmtKXluILnlLXnvIbmgLvljoLnrKzkuIDliIbljoI=/font/5a6L5L2T/fontsize/650/fill/I0E3QTlBOA==/gravity/SouthEast"

aa